Starter and alternator are off at my local re manufacturing shop so waiting on the outcome on that ,waiting on a new ign switch ,rebuilt the raw water pump ,now removed a bit more trim ,fuel tank and cleaned out .
As advised I have bought some cheap motor oil to replace , the throttle body needs to come off as the throttle flap is seized shut and the whole assy is a real mess, also need to look at ECM ,all the sensors looms and plugs .

Really would like to get to the point it cranks over nicely so I can do a compression check .

A question ,
I have found under the fuel tank a horizontal mounted bracket on the l/h stringer with a micro switch attached (2 wires), not sure what this is for ,
Also a relay that is screwed to the floor just in front of the engine mount again not sure what this operates ,both items do not look original fitments, and looking around the fuel tank area I think that this boat has previously been run on gas,
So any ideas ?